When the Philae lander crashed on Comet 67P, it was unable to drill into the surface due to lying on its side. However, some forensic investigation of photos and magnetometer data of its bounces across the surface revealed impact points that gave some good data on subsurface ice.
https://www.youtube.com/watch?v=QVIHqzB ... e=emb_logo
Philae excavated Comet 67P after all
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KathyNS
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Philae excavated Comet 67P after all
DSO AP: Orion 200mm f/4 Newtonian Astrograph; ATIK 383L+; EFW2 filter wheel; Astrodon Ha,Oiii,LRGB filters; KWIQ/QHY5 guide scope; Planetary AP: Celestron C-11; ZWO ASI120MC; Portable: Celestron C-8 on HEQ5 pro; C-90 on wedge; 20x80 binos; Etc: Canon 350D; Various EPs, etc. Obs: 8' Exploradome; iOptron CEM60 (pier); Helena Observatory (H2O) Astrobin
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notFritzArgelander
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Re: Philae excavated Comet 67P after all
I love a science lemons to lemonade story! Thanks.KathyNS wrote: ↑Tue Nov 03, 2020 11:21 pm When the Philae lander crashed on Comet 67P, it was unable to drill into the surface due to lying on its side. However, some forensic investigation of photos and magnetometer data of its bounces across the surface revealed impact points that gave some good data on subsurface ice.
https://www.youtube.com/watch?v=QVIHqzB ... e=emb_logo
Scopes: Refs: Orion ST80, SV 80EDA f7, TS 102ED f11 Newts: AWB 130mm, f5, Z12 f5; Cats: VMC110L, Intes MK66,VMC200L f9.75 EPs: KK Fujiyama Orthoscopics, 2x Vixen NPLs (40-6mm) and BCOs, Baader Mark IV zooms, TV Panoptics, Delos, Plossl 32-8mm. Mixed brand Masuyama/Astroplans Binoculars: Nikon Aculon 10x50, Celestron 15x70, Baader Maxbright. Mounts: Star Seeker IV, Vixen Porta II, Celestron CG5
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helicon
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Re: Philae excavated Comet 67P after all
This was a fortunate occurrence, hoping we learn something significant.
-Michael
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Latitude: 48.7229° N
Refractors: ES AR152 f/6.5 Achromat on Twilight II, Celestron 102mm XLT f/9.8 on Celestron Heavy Duty Alt Az mount, KOWA 90mm spotting scope
Binoculars: Celestron SkyMaster 15x70, Bushnell 10x50
Eyepieces: Various, GSO Superview, 9mm Plossl, Celestron 25mm Plossl
Camera: ZWO ASI 120
Naked Eye: Two Eyeballs
Latitude: 48.7229° N
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notFritzArgelander
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Re: Philae excavated Comet 67P after all
Well we learned that the density of the comet is less than foam. No wonder they’re so fragile.
Scopes: Refs: Orion ST80, SV 80EDA f7, TS 102ED f11 Newts: AWB 130mm, f5, Z12 f5; Cats: VMC110L, Intes MK66,VMC200L f9.75 EPs: KK Fujiyama Orthoscopics, 2x Vixen NPLs (40-6mm) and BCOs, Baader Mark IV zooms, TV Panoptics, Delos, Plossl 32-8mm. Mixed brand Masuyama/Astroplans Binoculars: Nikon Aculon 10x50, Celestron 15x70, Baader Maxbright. Mounts: Star Seeker IV, Vixen Porta II, Celestron CG5
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